Earth

Environmental Change Timeline

  • Jan 1, 1000

    Hunter-Gatherers, Last Ice Age

    Hunter-Gatherers, Last Ice Age
    When the ice sheets extracted from Scandinavia and the glaciers in Scotland. It was said to be the end of the last ice age. People, animals, and plants migrated to the land.
  • Feb 2, 1000

    Hunter-Gatherers, Weapons

    Hunter-Gatherers, Weapons
    Hunter-Gatherers gathered and collected stone, wood, bones, and antlers to use as weapons to hunt food and in cases, defend themselves.
  • Feb 17, 1000

    Hunter-Gatherers, Special Work

    Hunter-Gatherers, Special Work
    The Hunter-Gatherers specialization of work involved creating tools like hooks and fishing nets with materials they'd gather. This allowed the Hunter-Gatherers to prepare for the next stage, Agriculture.
  • Agricultural Revolution, Rotation System

    Agricultural Revolution, Rotation System
    The four course rotation systems, in which crops were, rotated around fields each year, was a more efficient method. In this system, crops like turnips could be used as winter foods for animals, to boot.
  • Industrial Revolution, Shifting

    Industrial Revolution, Shifting
    Energy sources shift from running wter and animal muscle to fossil fuels, such as oil and coal.
  • Agricultural Revolution, Animals

    Agricultural Revolution, Animals
    A more scientific approach to breeding animals developed. Farmers concentrated on selective breeding in order to produce animals with certain characteristic.
  • Industrial Revolution, Cotton Gin

    Industrial Revolution, Cotton Gin
    Eli Whitney creates a machine that makes it much easier to seperate cotton seeds from cotton fiber. It greatly reduces the time it takes to clean cotton and helps the southern states make money from cotton crops.
  • Industrial Revolution, Imrpoved Steam Engine

    Industrial Revolution, Imrpoved Steam Engine
    James Watt from Scotland designs a more efficient steam engine. One of the most important inventions of the Industrial Revolution, steams engines, power the first trains, steamboats, and factories.
  • Agricultural Revolution, Tools

    Agricultural Revolution, Tools
    New ploughs, harrows, seed drills, and horse-hoes were developed. Later on, steam ploughing and threshing emerged, using stationary engines in the fields.
  • 21st Century, 9/11

    21st Century, 9/11
    Two planes crashed into the North and South Twin Towers, the Pentagon, and an attempt to attack the White House. In total, there were 2,819 people killed in the attacks. Smoke and rubbles filled the air and piled onto the grounds of New York.
  • 21st Century, Earthquake in Haiti

    21st Century, Earthquake in Haiti
    A 7.0 magnitude earthquake hit the smallest nation's capital, leaving the city in ruins. Other than heartbreaking casualties, the structual damages caused by the earthquake are amongst the major concerns. Buildings and structures were brought to the ground tumbling over many individuals and leaving behind a great mess.
  • 21st Century, BP Gulf Oil Spill

    21st Century, BP Gulf Oil Spill
    The Gulf Oil Spill has been on of the worst environmental disasters in US history. BP estimated the flow could be as much as 100,000 barrels per day. This was a very effective situation to the waters and most especially, to the creatures that inhabitat it.